
IEC Standard Surge Withstand Safety Tester for Relays. High Stability Power Supply: Adopts high stability high-voltage impulse power supply with thyristor module control. Three-Phase Motor Testing: Built-in switching allows three-phase motor measurement without manual conversion. Fast Testing Speed: Achieves up to 6 tests per second for quick judgment of coil insulation performance. Advanced Signal Processing: Uses digital signal processing with strong anti-interference ability. Multiple Comparison Methods: Supports four waveform comparison methods to quickly determine coil quality. Flexible Connection Settings: Freely sets Delta, Star, and single-phase winding connections for various motors. User-Friendly Interface: Features LCD display with multiple sound alarm options for easy operation. Comprehensive Warranty: Provides 12 months warranty covering design or manufacturing defects with free repair.